<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>文件上传测试</title>
    <script src="http://47.106.66.89:8080/js/axios.min.js"></script>
</head>
<body>
<form action="uploads/upload/img/?test=1" method="post" enctype="multipart/form-data">
    上传文件1: <input type="file" name="file"><br>
    上传文件2: <input type="file" name="file"><br>
    上传文件3: <input type="file" name="file"><br>
    上传文件4: <input type="file" name="file" multiple><br>
    <button>上传</button>
    <button type="button" onclick="upload()">ajax文件上传</button>
</form>

<script>
    function upload(){
        let fd = new FormData();
        let inputs = document.getElementsByTagName("input");
        for (let i = 0; i < inputs.length; i++) {
            let input = inputs[i];
            if(input.files && input.files.length){
                for (let j = 0; j < input.files.length; j++) {
                    let file = input.files[j];
                    fd.append("file", file);
                }
            }
        }
        if(fd.getAll("file").length == 0){
            alert("请选择上传的文件");
            return;
        }
        axios.post("uploads/upload/img/",fd).then(res=>{
            console.info(res);
            alert(res.data.msg);
        })
    }
</script>



</body>
</html>